A power supply management system includes: a charge history information acquisition unit for acquiring charge history information on a charge history of a moving body storage battery; a transmission and distribution network power cost information acquisition unit for acquiring transmission and distribution network power cost information; a stored electric charge value evaluation unit for evaluating a value of an electric charge stored in the moving body storage battery, based on charge history information; and a power supply control unit for determining which of first supply power, discharged from the moving body storage battery, and second supply power, transmitted from a transmission and distribution network, is used by power supply processing, as electric power to be supplied to an electric load, based on a cost of the second supply power and a value of an electric charge, stored in the moving body storage battery.

In embodiments of a thermal and environmental control system an off-grid cold-storage facility has solar photovoltaic panels for producing electricity. A battery is in operable connection with the solar photovoltaic panels and configured to store the electricity produced by the solar photovoltaic panels. Cooling equipment is in operable connection to the battery and configured to regulate the temperature of the off-grid storage facility. Ventilation equipment is in operable connection to the battery to regulate air humidity and gas concentrations. A computer processor is provided at the off-grid storage facility and is in operable connection with the cooling equipment. The computer processor is configured to provide a regulating signal to the cooling equipment for optimizing battery usage, thermal setpoint, and environmental conditions. A cloud-based computing system is in operable communication to weather data and in operable communication to the computer processor. The cloud-based computing system is configured to compute optimized battery usage, thermal setpoint, and environmental conditions of the off-grid storage facility based on the weather data.

A charger is provided. The charger includes a controller and an input/output module. The controller includes a memory storing a charging algorithm. The controller is configured to control a current flow to and from a battery according to the charging algorithm, collect information from the battery during charge and discharge cycles relative to the current flow, report the information to a server, and change the charging algorithm according to an optimized configuration. The input/output module is configured to connect the controller and the server and communicate the information.

Apparatus for detecting a critical fall of a rechargeable battery and a rechargeable battery having an apparatus for detecting a critical fall, wherein the rechargeable battery contains a control device having a discharging device and also at least one energy storage device. The apparatus contains at least one sensor for detecting an acceleration value in a predetermined direction, control electronics that are configured to control at least one function of the rechargeable battery and also a fastening element for the at least one sensor, whereby the at least one sensor is mounted pivotably about a point of rotation in relation to the rechargeable battery and is kept essentially in a predetermined spatial position in relation to the rechargeable battery when the rechargeable battery rotates about at least one axis of rotation.

It is provided a protection circuit for protecting a battery comprising a plurality of lithium primary cells. The protection circuit comprises: a switch configured to control when the battery supplies power to a load; and a control circuit being configured to: detect, at a first point in time, when a voltage across at least part of the battery falls below a threshold voltage; and open the switch when the voltage across at least part of the battery is remains below the threshold voltage during a preconfigured duration from the first point in time, wherein the opening of the switch is irreversible.

A fast/slow charging self-adaption method is disclosed, including: detecting a light index of an environment where a terminal is located according to a preset cycle; comparing the light index with a preset light index threshold; and selecting a fast charging mode or a slow charging mode according to a result of comparison. A fast/slow charging self-adaption apparatus is further disclosed, including: a detection module, configured for detecting a light index of an environment where a terminal is located according to a preset cycle; a comparison module, configured for comparing the light index with a preset light index threshold; and a processing module, configured for selecting a fast charging mode or a slow charging mode according to a result of comparison between the light index and the preset light index threshold.

Various disclosed embodiments include illustrative controller units, systems, vehicles, and methods. In an illustrative embodiment, a control unit includes a communication device, a processor, and non-transitory computer-readable media configured to store computer-executable instructions. The instructions cause the processor to receive a signal indicating connection of a battery to a direct current bus, determine availability of electrical power from a first non-grid source, and instruct charging the battery with the electrical power from the first non-grid source responsive to determining that the electrical power from the first non-grid source is available.

A battery with a battery management system is capable of charging the battery with recaptured energy from an energy regeneration device. The battery management system charges the battery with the energy regeneration device if the output voltage from the energy regeneration device is larger than the charging voltage of the battery.

A cell count determination device is configured to determine a cell count of a battery pack having installed therein a plurality of battery cells. The cell count determination device includes a plurality of switch elements provided in association with the plurality of battery cells, which can be increased or decreased in number in the battery pack. Each of the switch elements is configured to enter a conductive state if, while connected to the battery pack, a corresponding battery cell is present, and enter a non-conductive state if the corresponding battery cell is not present. The cell count determination device further includes a determination unit that is configured to determine the cell count of the connected battery pack on the basis of a combination of conductive states and non-conductive states among the plurality of switch elements.

Embodiments of the present application provide a charging and discharging device. The charging and discharging device includes an AC/DC converter, a first DC/DC converter, a second DC/DC converter and a control unit. The control unit is used to: receive a first charging request, the first charging request including a first charging voltage and a first charging current; set output power of the first DC/DC converter based on the first charging voltage and the first charging current; turn on the second DC/DC converter if an SOC of the energy storage unit is greater than a first threshold to charge the battery by the energy storage unit; and adjust output power of the second DC/DC converter, so as to enable a voltage difference between a bus voltage and a bus balance voltage of the charging and discharging device to be less than or equal to a preset value.